Taming Peanut Allergy
Takes Researchers
Down Uncertain Road

By

Jane Zhang

Updated Sept. 29, 2006 12:01 a.m. ET

In a world of wheat-free cookies and dairy-free ice cream, the peanut industry is helping fund the quest for a "nut-free" peanut.

Peanuts aren't nuts at all, of course, but legumes, or seeds, as are beans and lentils. An estimated 1.5 million Americans, including some 600,000 children, experience allergic reactions to peanuts, ranging from hives to nausea to sometimes-fatal anaphylactic shock. With most of the annual 150...